package com.java8.ch05;

import java.io.IOException;

// Using a do-while to process a menu selection
public class Menu {

	public static void main(String[] args) throws IOException {
		char choice = 0;
		do {
			System.out.println("Help on: ");
			System.out.println("   1.if");
			System.out.println("   2.switch");
			System.out.println("   3.while");
			System.out.println("   4.do-while");
			System.out.println("   5.for\n");
			System.out.println("Choose one:");
			choice = (char) System.in.read();
		} while (choice < '1' || choice > '5');
		System.out.println("\n");
		switch (choice) {
		case '1':
			System.out.println("The if:\n");
			System.out.println("if(condition) statement;");
			System.out.println("else statement");
			break;
		case '2':
			System.out.println("The switch:\n");
			System.out.println("switch(expression) {");
			System.out.println(" case constant:");
			System.out.println("   statement sequence");
			System.out.println("   //...");
			System.out.println("}");
			break;
		case '3':
			System.out.println("The while:\n");
			System.out.println("while(condition) statement;");
			break;
		case '4':
			System.out.println("The do-while:\n");
			System.out.println("do {");
			System.out.println("statement");
			System.out.println("} while (condition);");
			break;
		case '5':
			System.out.println("The for:\n");
			System.out.println("for(init;condition;iteration)");
			System.out.println(" statement;");
			break;
		default:
			break;
		}
	}
}
